Laserfiche WebLink
<br />I <br /> 21 <br />I TABLE 6 <br /> FLOOD FREQUENCY - ELEVATION AND DISCHARGE DATA <br />I MIDDLE ST. VRAIN CREEK, BOULDER COUNTY, COLORADO <br />I lO-Year Flood 50-Year Flood lOO-Year Flood 500-Year Flood <br />Ref. Station Stream Bed Crest Peak Crest Peak Crest Peak Crest Peak <br />Point Fr. Mouth Elevation Elevation Discharge Elevation Discharge Elevation Discharge Elevation Discharge <br /> Number (Feet) Identif . (Ft. MSL) (Ft. MSL) (ds) (Ft. MSL) (ds) (Ft. MSL) (ds) (Ft. MSL) (ds) <br />. 117.9 117+00 7357.10 136).0~ 550.00 1361.52 1240.00 1361.56 1130.00 1362.45 3480.00 <br />I 118.1 117+15 13'>7.10 1362.01 550.00 7361.10 1240.00 1361.98 1130.00 1364.41 3480.00 <br />118.2 117+60 73'>1.10 7362.J7 550.00 7362.08 1240.00 1362.59 11 30. 00 1364.5 B 3480.00 <br />I 119 l21+O5 7366.10 7J 68.77 550.00 7369.97 1240.00 7370.57 1130.00 7372.20 3480.00 <br /> 120 l25+15 7382.00 7384.18 5S0.00 1385.50 1240.00 7386.22 1130.00 7381.70 3480.00 <br />I 120.9 125+50 7383.40 1385.82 5'>0.00 7387.27 1240.00 7388.23 11 30.00 7390.37 3480.00 <br /> l2l.1 l25+60 7383.40 7381.95 550.00 7389.75 1240.00 7390.52 17 30.00 1392.56 3480.00 <br />I <br />121. 2 l26+15 1386.00 7388.29 550.00 7389.81 1240.00 7390.79 1730.00 7392.90 3480.00 <br />I l2l.3 l26+85 73'l9.00 7391.55 550.00 7392.87 1240.00 7393.53 1730.00 7395.31 3480.00 <br /> 121. 4 127+00 73R9.00 1392.96 550.00 1394.47 1240.00 7395.12 1730.00 7396.74 3480.00 <br />I l21. 5 l27+50 73'l1.00 7393.22 5'>0.00 1394.70 1240.00 7395.39 1730.00 7397.01 3480.00 <br /> 121. 6 127+95 73'l4.20 7397.25 550.00 7399.04 1240.00 7400.03 11 30.00 7401.96 3480.00 <br />I 121. 7 128+10 1394.20 7398.18 550.00 7399.89 1240.00 7400.59 1730.00 7401.91 3480.00 <br />I l22 l28+65 7396.20 7399.50 550.00 7400.96 1240.00 7401.64 1730.00 7403.35 3480.00 <br />l22.l 131+60 7406.86 550.00 7407.92 1240.00 7408.45 1730.00 7410.00 3480.00 <br /> 7U04.40 <br />I 123 134+25 7410.40 7413.52 550.00 7415.39 1240.00 7416.60 1730.00 7418.75 jU80.00 <br /> 123.9 134+60 7Ul1.00 741U.36 550.00 1416.08 1240.00 7417.21 1730.00 7419.37 3480.00 <br />I 124.1 134+70 7411.00 7414.96 5S0.00 7416.11 1240.00 7419.27 1730.00 7421.35 3480.00 <br />I 124.2 135+20 7412.00 7415.57 5S0.00 7418.89 1240.00 7419.27 1730.00 7421.38 3480.00 <br />I <br />I <br />I <br />